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Only return one result for each revealed head from ts_stack_pop

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This commit is contained in:
Max Brunsfeld 2016-02-08 12:08:15 -08:00
parent 171c259300
commit e90a425618
5 changed files with 188 additions and 151 deletions
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7
src/runtime/stack.h
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@ -28,7 +28,7 @@ typedef enum {
StackPushResultContinued,
} StackPushResult;
typedef TSTree *(*TreeSelectionFunction)(void *, TSTree *, TSTree *);
typedef int (*TreeSelectionFunction)(void *, TSTree *, TSTree *);
/*
* Create a parse stack.
@ -84,11 +84,6 @@ StackEntry *ts_stack_entry_next(const StackEntry *, int);
*/
StackPushResult ts_stack_push(Stack *, int head, TSStateId, TSTree *);
/*
* Add an alternative tree for the given head of the stack.
*/
void ts_stack_add_alternative(Stack *, int head, TSTree *);
/*
* Pop the given number of entries from the given head of the stack. This
* operation can increase the number of stack heads by revealing multiple heads